Researchers at the University of Barcelona found that the traditional Mediterranean diet topped a low-fat diet in helping older adults improve their cholesterol, blood pressure and blood sugar levels.  Mediterranean-style eating generally means plenty of fruits, vegetables and whole grains, limited amounts of red meat and processed foods, and a relatively high amount of fat from olive oil and nuts. Experts believe the benefit stems from the fact that the unsaturated fats found in olive oil and nuts actually help protect the cardiovascular system.  Read the full story on Reuters...